Athanor by arbastro
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How to find a structure on the page

Press Ctrl+F (Edit › Find and replace…), type a SMILES, and choose Substructure or Exact. The arrows step through the matches; Select all selects every one.

On a Mac, Ctrl is Cmd.

Steps

  1. Press Ctrl+F, or choose Main menu › Edit › Find and replace…. The find bar opens at the top of the canvas.

  2. Type the structure as SMILES, for example C(=O)O for a carboxyl or ester group, and press Enter.

  3. Choose Substructure to find it inside larger structures, or Exact for whole structures only.

  4. The bar counts the matches (1 of 2) and highlights the current one. Step with the arrows, or press Select all to select every match.

    The find bar with C(=O)O, 1 of 2, and the match highlighted in aspirin.The find bar with C(=O)O, 1 of 2, and the match highlighted in aspirin.

Press Escape or the close button to close the bar.

Selection and arrangingHow to select atoms, structures and objectsPress V. Click takes a whole structure, Marquee (M) takes only the atoms inside the box you drag, and Lasso (L) takes whatever you draw around. Select all is Ctrl+A, and Shift+click adds to the selection.Drawing basicsHow to paste SMILES as a structureChoose Edit › Paste SMILES…, paste the SMILES string and press Draw. Or press / and paste it into Quick insert.

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Last updated Nov 12, 2026